II

Iwao Ito

KA Kansei: 2 patents #21 of 117Top 20%
NC Nippon Koei Co.: 2 patents #5 of 26Top 20%
TS Tokyo Metropolitan Sewerage Service: 2 patents #5 of 34Top 15%
Overall (All Time): #2,047,926 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8695628 Opening/closing device Hiroshi Komatsu, Motonobu Ito, Kazuhiro Yamanouchi, Kenji Hasegawa 2014-04-15
8590560 Opening/closing device Hiroshi Komatsu, Motonobu Ito, Kazuhiro Yamanouchi, Kenji Hasegawa 2013-11-26